[RFT,v2,06/48] pinctrl: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

Message ID	1433391238-19471-7-git-send-email-jiang.liu@linux.intel.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> From: Jiang Liu <jiang.liu@linux.intel.com> To: Thomas Gleixner <tglx@linutronix.de>, Bjorn Helgaas <bhelgaas@google.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Randy Dunlap <rdunlap@infradead.org>, Yinghai Lu <yinghai@kernel.org>, Borislav Petkov <bp@alien8.de>, Mika Westerberg <mika.westerberg@linux.intel.com>, Heikki Krogerus <heikki.krogerus@linux.intel.com>, Linus Walleij <linus.walleij@linaro.org>, Matthias Brugger <matthias.bgg@gmail.com>, Alessandro Rubini <rubini@unipv.it>, Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>, Heiko Stuebner <heiko@sntech.de>, Srinivas Kandagatla <srinivas.kandagatla@gmail.com>, Maxime Coquelin <maxime.coquelin@st.com>, Patrice Chotard <patrice.chotard@st.com>, Tomasz Figa <tomasz.figa@gmail.com>, Thomas Abraham <thomas.abraham@linaro.org>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <k.kozlowski@samsung.com>, Barry Song <baohua@kernel.org>, Maxime Ripard <maxime.ripard@free-electrons.com>, Hongzhou Yang <hongzhou.yang@mediatek.com>, Maoguang Meng <maoguang.meng@mediatek.com>, Yingjoe Chen <yingjoe.chen@mediatek.com>, Axel Lin <axel.lin@ingics.com>, Bjorn Andersson <bjorn.andersson@sonymobile.com>, Stanimir Varbanov <svarbanov@mm-sol.com>, Stephen Boyd <sboyd@codeaurora.org>, Bin Shi <Bin.Shi@csr.com>, Fan Wu <fwu@marvell.com>, Hans de Goede <hdegoede@redhat.com>, Chen-Yu Tsai <wens@csie.org> Subject: [RFT v2 06/48] pinctrl: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Date: Thu, 4 Jun 2015 12:13:16 +0800 Message-Id: <1433391238-19471-7-git-send-email-jiang.liu@linux.intel.com> In-Reply-To: <1433391238-19471-1-git-send-email-jiang.liu@linux.intel.com> References: <1433391238-19471-1-git-send-email-jiang.liu@linux.intel.com> Cc: Tony Luck <tony.luck@intel.com>, kernel@stlinux.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, Barry Song <Baohua.Song@csr.com>, linux-rockchip@lists.infradead.org, Jiang Liu <jiang.liu@linux.intel.com>, linux-arm-kernel@lists.infradead.org Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org

diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 82f691eeeec4..878e798bcb56 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1368,7 +1368,7 @@ static void chv_gpio_irq_handler(unsigned irq, struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct chv_pinctrl *pctrl = gpiochip_to_pinctrl(gc); - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); unsigned long pending; u32 intr_line; diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 00768e53deec..a40681097402 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -840,7 +840,7 @@ static void intel_gpio_irq_handler(unsigned irq, struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(gc); - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); int i; chained_irq_enter(chip, desc); diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 474812e2b0cb..fd05ca6125b0 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -1018,8 +1018,8 @@ mtk_eint_debounce_process(struct mtk_pinctrl *pctl, int index) static void mtk_eint_irq_handler(unsigned irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); - struct mtk_pinctrl *pctl = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct mtk_pinctrl *pctl = irq_desc_get_handler_data(desc); unsigned int status, eint_num; int offset, index, virq; const struct mtk_eint_offsets *eint_offsets = diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c index a6a22054c0ba..902f53b855bf 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -854,10 +854,9 @@ static struct irq_chip nmk_gpio_irq_chip = { .flags = IRQCHIP_MASK_ON_SUSPEND, }; -static void __nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc, - u32 status) +static void __nmk_gpio_irq_handler(struct irq_desc *desc, u32 status) { - struct irq_chip *host_chip = irq_get_chip(irq); + struct irq_chip *host_chip = irq_desc_get_chip(desc); struct gpio_chip *chip = irq_desc_get_handler_data(desc); chained_irq_enter(host_chip, desc); @@ -882,17 +881,16 @@ static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) status = readl(nmk_chip->addr + NMK_GPIO_IS); clk_disable(nmk_chip->clk); - __nmk_gpio_irq_handler(irq, desc, status); + __nmk_gpio_irq_handler(desc, status); } -static void nmk_gpio_latent_irq_handler(unsigned int irq, - struct irq_desc *desc) +static void nmk_gpio_latent_irq_handler(unsigned int irq, struct irq_desc *desc) { struct gpio_chip *chip = irq_desc_get_handler_data(desc); struct nmk_gpio_chip *nmk_chip = container_of(chip, struct nmk_gpio_chip, chip); u32 status = nmk_chip->get_latent_status(nmk_chip->bank); - __nmk_gpio_irq_handler(irq, desc, status); + __nmk_gpio_irq_handler(desc, status); } /* I/O Functions */ diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 7de3b64bf142..639cd77c1fbb 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -501,7 +501,7 @@ static void amd_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) u64 reg64; int handled = 0; unsigned long flags; - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct amd_gpio *gpio_dev = to_amd_gpio(gc); diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 2f797cb7e205..92d5f9ec1cce 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1581,7 +1581,7 @@ static struct irq_chip gpio_irqchip = { static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); struct gpio_chip *gpio_chip = irq_desc_get_handler_data(desc); struct at91_gpio_chip *at91_gpio = container_of(gpio_chip, struct at91_gpio_chip, chip); diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c index 29cbbab8c3a6..9579442a221d 100644 --- a/drivers/pinctrl/pinctrl-coh901.c +++ b/drivers/pinctrl/pinctrl-coh901.c @@ -521,8 +521,8 @@ static struct irq_chip u300_gpio_irqchip = { static void u300_gpio_irq_handler(unsigned irq, struct irq_desc *desc) { - struct irq_chip *parent_chip = irq_get_chip(irq); - struct gpio_chip *chip = irq_get_handler_data(irq); + struct irq_chip *parent_chip = irq_desc_get_chip(desc); + struct gpio_chip *chip = irq_desc_get_handler_data(desc); struct u300_gpio *gpio = to_u300_gpio(chip); struct u300_gpio_port *port = &gpio->ports[irq - chip->base]; int pinoffset = port->number << 3; /* get the right stride */ diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index dee7d5f06c60..97a4a3dddb30 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1396,8 +1396,8 @@ static const struct gpio_chip rockchip_gpiolib_chip = { static void rockchip_irq_demux(unsigned int irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); - struct rockchip_pin_bank *bank = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct rockchip_pin_bank *bank = irq_desc_get_handler_data(desc); u32 pend; dev_dbg(bank->drvdata->dev, "got irq for bank %s\n", bank->name); diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 13b45f297727..a8db57db5f5b 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1684,7 +1684,7 @@ static void pcs_irq_chain_handler(unsigned int irq, struct irq_desc *desc) struct pcs_soc_data *pcs_soc = irq_desc_get_handler_data(desc); struct irq_chip *chip; - chip = irq_get_chip(irq); + chip = irq_desc_get_chip(desc); chained_irq_enter(chip, desc); pcs_irq_handle(pcs_soc); /* REVISIT: export and add handle_bad_irq(irq, desc)? */ diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 65bf73b70e34..a4f8d38ed7be 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1463,7 +1463,7 @@ static void __gpio_irq_handler(struct st_gpio_bank *bank) static void st_gpio_irq_handler(unsigned irq, struct irq_desc *desc) { /* interrupt dedicated per bank */ - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct st_gpio_bank *bank = gpio_chip_to_bank(gc); @@ -1474,8 +1474,8 @@ static void st_gpio_irq_handler(unsigned irq, struct irq_desc *desc) static void st_gpio_irqmux_handler(unsigned irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); - struct st_pinctrl *info = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct st_pinctrl *info = irq_desc_get_handler_data(desc); unsigned long status; int n; diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index f3d800f796c2..7439d19af0dd 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -769,7 +769,7 @@ static void msm_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) struct gpio_chip *gc = irq_desc_get_handler_data(desc); const struct msm_pingroup *g; struct msm_pinctrl *pctrl = to_msm_pinctrl(gc); - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); int irq_pin; int handled = 0; u32 val; diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 0b7afa50121a..66fb5ee5a8ae 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -422,9 +422,9 @@ static const struct of_device_id exynos_wkup_irq_ids[] = { /* interrupt handler for wakeup interrupts 0..15 */ static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc) { - struct exynos_weint_data *eintd = irq_get_handler_data(irq); + struct exynos_weint_data *eintd = irq_desc_get_handler_data(desc); struct samsung_pin_bank *bank = eintd->bank; - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); int eint_irq; chained_irq_enter(chip, desc); @@ -454,8 +454,8 @@ static inline void exynos_irq_demux_eint(unsigned long pend, /* interrupt handler for wakeup interrupt 16 */ static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); - struct exynos_muxed_weint_data *eintd = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct exynos_muxed_weint_data *eintd = irq_desc_get_handler_data(desc); struct samsung_pinctrl_drv_data *d = eintd->banks[0]->drvdata; unsigned long pend; unsigned long mask; diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c index f1993f42114c..8d5b36e0af80 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c @@ -243,7 +243,7 @@ static struct irq_chip s3c2410_eint0_3_chip = { static void s3c2410_demux_eint0_3(unsigned int irq, struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); - struct s3c24xx_eint_data *eint_data = irq_get_handler_data(irq); + struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc); unsigned int virq; /* the first 4 eints have a simple 1 to 1 mapping */ @@ -297,9 +297,9 @@ static struct irq_chip s3c2412_eint0_3_chip = { static void s3c2412_demux_eint0_3(unsigned int irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); + struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc); struct irq_data *data = irq_desc_get_irq_data(desc); - struct s3c24xx_eint_data *eint_data = irq_get_handler_data(irq); + struct irq_chip *chip = irq_data_get_irq_chip(data); unsigned int virq; chained_irq_enter(chip, desc); @@ -357,11 +357,11 @@ static struct irq_chip s3c24xx_eint_chip = { .irq_set_type = s3c24xx_eint_type, }; -static inline void s3c24xx_demux_eint(unsigned int irq, struct irq_desc *desc, +static inline void s3c24xx_demux_eint(struct irq_desc *desc, u32 offset, u32 range) { - struct irq_chip *chip = irq_get_chip(irq); - struct s3c24xx_eint_data *data = irq_get_handler_data(irq); + struct s3c24xx_eint_data *data = irq_desc_get_handler_data(desc); + struct irq_chip *chip = irq_desc_get_irq_chip(desc); struct samsung_pinctrl_drv_data *d = data->drvdata; unsigned int pend, mask; @@ -374,7 +374,7 @@ static inline void s3c24xx_demux_eint(unsigned int irq, struct irq_desc *desc, pend &= range; while (pend) { - unsigned int virq; + unsigned int virq, irq; irq = __ffs(pend); pend &= ~(1 << irq); @@ -390,12 +390,12 @@ static inline void s3c24xx_demux_eint(unsigned int irq, struct irq_desc *desc, static void s3c24xx_demux_eint4_7(unsigned int irq, struct irq_desc *desc) { - s3c24xx_demux_eint(irq, desc, 0, 0xf0); + s3c24xx_demux_eint(desc, 0, 0xf0); } static void s3c24xx_demux_eint8_23(unsigned int irq, struct irq_desc *desc) { - s3c24xx_demux_eint(irq, desc, 8, 0xffff00); + s3c24xx_demux_eint(desc, 8, 0xffff00); } static irq_flow_handler_t s3c2410_eint_handlers[NUM_EINT_IRQ] = { diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c index 7756c1e9e763..fd241d2dd165 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c @@ -410,8 +410,8 @@ static const struct irq_domain_ops s3c64xx_gpio_irqd_ops = { static void s3c64xx_eint_gpio_irq(unsigned int irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); - struct s3c64xx_eint_gpio_data *data = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct s3c64xx_eint_gpio_data *data = irq_desc_get_handler_data(desc); struct samsung_pinctrl_drv_data *drvdata = data->drvdata; chained_irq_enter(chip, desc); @@ -600,11 +600,10 @@ static struct irq_chip s3c64xx_eint0_irq_chip = { .irq_set_type = s3c64xx_eint0_irq_set_type, }; -static inline void s3c64xx_irq_demux_eint(unsigned int irq, - struct irq_desc *desc, u32 range) +static inline void s3c64xx_irq_demux_eint(struct irq_desc *desc, u32 range) { - struct irq_chip *chip = irq_get_chip(irq); - struct s3c64xx_eint0_data *data = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct s3c64xx_eint0_data *data = irq_desc_get_handler_data(desc); struct samsung_pinctrl_drv_data *drvdata = data->drvdata; unsigned int pend, mask; @@ -617,11 +616,10 @@ static inline void s3c64xx_irq_demux_eint(unsigned int irq, pend &= range; while (pend) { - unsigned int virq; + unsigned int virq, irq; irq = fls(pend) - 1; pend &= ~(1 << irq); - virq = irq_linear_revmap(data->domains[irq], data->pins[irq]); /* * Something must be really wrong if an unmapped EINT @@ -637,22 +635,22 @@ static inline void s3c64xx_irq_demux_eint(unsigned int irq, static void s3c64xx_demux_eint0_3(unsigned int irq, struct irq_desc *desc) { - s3c64xx_irq_demux_eint(irq, desc, 0xf); + s3c64xx_irq_demux_eint(desc, 0xf); } static void s3c64xx_demux_eint4_11(unsigned int irq, struct irq_desc *desc) { - s3c64xx_irq_demux_eint(irq, desc, 0xff0); + s3c64xx_irq_demux_eint(desc, 0xff0); } static void s3c64xx_demux_eint12_19(unsigned int irq, struct irq_desc *desc) { - s3c64xx_irq_demux_eint(irq, desc, 0xff000); + s3c64xx_irq_demux_eint(desc, 0xff000); } static void s3c64xx_demux_eint20_27(unsigned int irq, struct irq_desc *desc) { - s3c64xx_irq_demux_eint(irq, desc, 0xff00000); + s3c64xx_irq_demux_eint(desc, 0xff00000); } static irq_flow_handler_t s3c64xx_eint0_handlers[NUM_EINT0_IRQ] = { diff --git a/drivers/pinctrl/sirf/pinctrl-sirf.c b/drivers/pinctrl/sirf/pinctrl-sirf.c index e2efbbae4061..46cafde08ebf 100644 --- a/drivers/pinctrl/sirf/pinctrl-sirf.c +++ b/drivers/pinctrl/sirf/pinctrl-sirf.c @@ -552,7 +552,7 @@ static void sirfsoc_gpio_handle_irq(unsigned int irq, struct irq_desc *desc) struct sirfsoc_gpio_bank *bank; u32 status, ctrl; int idx = 0; - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); int i; for (i = 0; i < SIRFSOC_GPIO_NO_OF_BANKS; i++) { diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index f8e171b76693..563cec6dc24e 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -711,8 +711,8 @@ static struct irq_chip sunxi_pinctrl_level_irq_chip = { static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); - struct sunxi_pinctrl *pctl = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct sunxi_pinctrl *pctl = irq_desc_get_handler_data(desc); unsigned long bank, reg, val; for (bank = 0; bank < pctl->desc->irq_banks; bank++)

[RFT,v2,06/48] pinctrl: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

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